# std::chars_format

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< cpp‎ | utility

Defined in header `<charconv>` |  |
enum class chars_format { scientific = /*unspecified*/, fixed = /*unspecified*/, hex = /*unspecified*/, general = fixed | scientific }; |  | (since C++17)

A BitmaskType used to specify floating-point formatting for `std::to_chars` and `std::from_chars`.

### Notes

Feature-test macro | Value | Std | Feature
--- | --- | --- | ---
`__cpp_lib_to_chars` | `201611L` | (C++17) | Elementary string conversions (std::to_chars, std::from_chars)

### Example

| This section is incomplete Reason: no example

### See also

to_chars (C++17) | converts an integer or floating-point value to a character sequence (function)
from_chars (C++17) | converts a character sequence to an integer or floating-point value (function)

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